224
FXUS63 KILX 181103
AFDILX
AREA FORECAST DISCUSSION...UPDATED AVIATION
NATIONAL WEATHER SERVICE LINCOLN IL
503 AM CST SAT JAN 18 2025
KEY MESSAGES
- PRECIPITATION CONTINUES IN SOUTHEASTERN IL THIS MORNING, AND
SHOULD END BETWEEN 7-9AM. SOME SCATTERED SNOW FLAKES MAY START
TO MIX IN AS IT EXITS WHERE TEMPERATURES ARE CLOSER TO FREEZING.
- AFTER HIGHS IN THE 20S TO LOW 30S TODAY, FRIGID AIR MOVES INTO
THE AREA STARTING TONIGHT. WIND CHILLS LOWER THAN -10 DEGREES
LOOK TO BE A COMMON THEME THROUGH TUESDAY NIGHT.
DISCUSSION
ISSUED AT 215 AM CST SAT JAN 18 2025
AFTER THIS WAVE OF PRECIPITATION EXITS THIS MORNING, WE WILL SEE A
MORE TRANQUIL WEATHER PATTERN SET UP. THE MAIN FEATURE OF INTEREST
IN THE NEXT WEEK IS THE FRIGID TEMPERATURES THAT WILL SPILL INTO THE
AREA STARTING TONIGHT. TODAY, HIGHS WILL BE IN THE MID 20S TO MID
30S.
THE HIGHS ARE EXPECTED TO BE SINGLE DIGITS TO MID TEENS, WITH LOWS
NEAR OR BELOW ZERO THROUGH TUESDAY NIGHT. THE NORTHWESTERLY WINDS
THAT WILL BE IN PLACE DURING THIS TIME WILL ALLOW THE WIND CHILLS TO
BE MUCH COLDER THAN THE SURFACE TEMPERATURES. THE HREF 00Z.18 RUN
SHOWS A 50-80% CHANCE OF WIND CHILLS BELOW -15 DEGREES ALONG AND
NORTH OF I-72. COLD WEATHER ADVISORY CRITERIA IS -15 DEGREES FROM
I-72 COUNTIES NORTHWARD AND -10 DEGREES TO THE SOUTH.
TEMPERATURES WILL WARM UP TO THE 30S BY WEDNESDAY. THE CPC SHOWS THE
6-10 DAY OUTLOOK HAVING CENTRAL IL NEAR NORMAL FOR PRECIPITATION/
TEMPERATURES AND SOUTHEASTERN IL HAVING A 35-40% CHANCE OF BELOW
(ABOVE) NORMAL TEMPERATURES (PRECIPITATION). NORMAL TEMPERATURES FOR
THIS TIME OF YEAR ARE FROM NORTHERN CWA TO SOUTHERN CWA: PEORIA, LOW
30S FOR HIGHS & UPPER TEENS FOR LOWS; LAWRENCEVILLE, UPPER 30S FOR
HIGHS & LOW 20S FOR LOWS.
COPPLE
AVIATION
(FOR THE 12Z TAFS THROUGH 12Z SUNDAY MORNING)
ISSUED AT 503 AM CST SAT JAN 18 2025
NOW THAT THE COLD FRONT HAS PASSED ALL THE TERMINALS, THE MAIN
FORECAST CONCERN WILL BE WITH WINDS THROUGH TONIGHT. ON THE WHOLE,
THEY SHOULD BE FAIRLY UNIFORM, NORTHWEST AROUND 15 KNOTS OR SO.
GUSTS 20-25 KNOTS ARE MOST LIKELY THROUGH MIDDAY, ALTHOUGH THEY
START TO PICK UP AGAIN LATE IN THE PERIOD WEST OF KPIA-KSPI.
VFR CONDITIONS WILL PREVAIL, THOUGH CEILINGS CLOSER TO 4000 FEET
ARE EXPECTED DURING THE MORNING.
GEELHART
ILX WATCHES/WARNINGS/ADVISORIES
NONE.
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